<?xml version="1.0" encoding="ascii"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
          "DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
  <title>web2py.gluon.cache</title>
  <link rel="stylesheet" href="epydoc.css" type="text/css" />
  <script type="text/javascript" src="epydoc.js"></script>
</head>

<body bgcolor="white" text="black" link="blue" vlink="#204080"
      alink="#204080">
<!-- ==================== NAVIGATION BAR ==================== -->
<table class="navbar" border="0" width="100%" cellpadding="0"
       bgcolor="#a0c0ff" cellspacing="0">
  <tr valign="middle">
  <!-- Home link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="web2py.gluon-module.html">Home</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Tree link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Index link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Help link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Project homepage -->
      <th class="navbar" align="right" width="100%">
        <table border="0" cellpadding="0" cellspacing="0">
          <tr><th class="navbar" align="center"
            ><a class="navbar" target="_top" href="http://www.web2py.com">web2py Web Framework</a></th>
          </tr></table></th>
  </tr>
</table>
<table width="100%" cellpadding="0" cellspacing="0">
  <tr valign="top">
    <td width="100%">
      <span class="breadcrumbs">
        Package&nbsp;web2py ::
        <a href="web2py.gluon-module.html">Package&nbsp;gluon</a> ::
        Module&nbsp;cache
      </span>
    </td>
    <td>
      <table cellpadding="0" cellspacing="0">
        <!-- hide/show private -->
        <tr><td align="right"><span class="options">[<a href="javascript:void(0);" class="privatelink"
    onclick="toggle_private();">hide&nbsp;private</a>]</span></td></tr>
        <tr><td align="right"><span class="options"
            >[<a href="frames.html" target="_top">frames</a
            >]&nbsp;|&nbsp;<a href="web2py.gluon.cache-pysrc.html"
            target="_top">no&nbsp;frames</a>]</span></td></tr>
      </table>
    </td>
  </tr>
</table>
<h1 class="epydoc">Source Code for <a href="web2py.gluon.cache-module.html">Module web2py.gluon.cache</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno">  1</tt>  <tt class="py-line"><tt class="py-comment">#!/usr/bin/env python</tt> </tt>
<a name="L2"></a><tt class="py-lineno">  2</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># -*- coding: utf-8 -*-</tt> </tt>
<a name="L3"></a><tt class="py-lineno">  3</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L4"></a><tt class="py-lineno">  4</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L5"></a><tt class="py-lineno">  5</tt>  <tt class="py-line"><tt class="py-docstring">This file is part of web2py Web Framework (Copyrighted, 2007-2010).</tt> </tt>
<a name="L6"></a><tt class="py-lineno">  6</tt>  <tt class="py-line"><tt class="py-docstring">Developed by Massimo Di Pierro &lt;mdipierro@cs.depaul.edu&gt;.</tt> </tt>
<a name="L7"></a><tt class="py-lineno">  7</tt>  <tt class="py-line"><tt class="py-docstring">License: GPL v2</tt> </tt>
<a name="L8"></a><tt class="py-lineno">  8</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L9"></a><tt class="py-lineno">  9</tt>  <tt class="py-line"><tt class="py-docstring">Basic caching classes and methods</tt> </tt>
<a name="L10"></a><tt class="py-lineno"> 10</tt>  <tt class="py-line"><tt class="py-docstring">=================================</tt> </tt>
<a name="L11"></a><tt class="py-lineno"> 11</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L12"></a><tt class="py-lineno"> 12</tt>  <tt class="py-line"><tt class="py-docstring">- Cache - The generic caching object interfacing with the others</tt> </tt>
<a name="L13"></a><tt class="py-lineno"> 13</tt>  <tt class="py-line"><tt class="py-docstring">- CacheInRam - providing caching in ram</tt> </tt>
<a name="L14"></a><tt class="py-lineno"> 14</tt>  <tt class="py-line"><tt class="py-docstring">- CacheInDisk - provides caches on disk</tt> </tt>
<a name="L15"></a><tt class="py-lineno"> 15</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L16"></a><tt class="py-lineno"> 16</tt>  <tt class="py-line"><tt class="py-docstring">Memcache is also available via a different module (see gluon.contrib.memcache)</tt> </tt>
<a name="L17"></a><tt class="py-lineno"> 17</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L18"></a><tt class="py-lineno"> 18</tt>  <tt class="py-line"><tt class="py-docstring">When web2py is running on Google App Engine,</tt> </tt>
<a name="L19"></a><tt class="py-lineno"> 19</tt>  <tt class="py-line"><tt class="py-docstring">caching will be provided by the GAE memcache</tt> </tt>
<a name="L20"></a><tt class="py-lineno"> 20</tt>  <tt class="py-line"><tt class="py-docstring">(see gluon.contrib.gae_memcache)</tt> </tt>
<a name="L21"></a><tt class="py-lineno"> 21</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L22"></a><tt class="py-lineno"> 22</tt>  <tt class="py-line"> </tt>
<a name="L23"></a><tt class="py-lineno"> 23</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">time</tt> </tt>
<a name="L24"></a><tt class="py-lineno"> 24</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt id="link-0" class="py-name" targets="Module web2py.gluon.portalocker=web2py.gluon.portalocker-module.html"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-0', 'portalocker', 'link-0');">portalocker</a></tt> </tt>
<a name="L25"></a><tt class="py-lineno"> 25</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">shelve</tt> </tt>
<a name="L26"></a><tt class="py-lineno"> 26</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">thread</tt> </tt>
<a name="L27"></a><tt class="py-lineno"> 27</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">os</tt> </tt>
<a name="L28"></a><tt class="py-lineno"> 28</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">logging</tt> </tt>
<a name="L29"></a><tt class="py-lineno"> 29</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">re</tt> </tt>
<a name="L30"></a><tt class="py-lineno"> 30</tt>  <tt class="py-line"> </tt>
<a name="L31"></a><tt class="py-lineno"> 31</tt>  <tt class="py-line"><tt class="py-name">__all__</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-string">'Cache'</tt><tt class="py-op">]</tt> </tt>
<a name="L32"></a><tt class="py-lineno"> 32</tt>  <tt class="py-line"> </tt>
<a name="L33"></a><tt class="py-lineno"> 33</tt>  <tt class="py-line"> </tt>
<a name="L34"></a><tt class="py-lineno"> 34</tt>  <tt class="py-line"><tt id="link-1" class="py-name" targets="Variable web2py.gluon.cache.DEFAULT_TIME_EXPIRE=web2py.gluon.cache-module.html#DEFAULT_TIME_EXPIRE"><a title="web2py.gluon.cache.DEFAULT_TIME_EXPIRE" class="py-name" href="#" onclick="return doclink('link-1', 'DEFAULT_TIME_EXPIRE', 'link-1');">DEFAULT_TIME_EXPIRE</a></tt> <tt class="py-op">=</tt> <tt class="py-number">300</tt> </tt>
<a name="L35"></a><tt class="py-lineno"> 35</tt>  <tt class="py-line"> </tt>
<a name="L36"></a><tt class="py-lineno"> 36</tt>  <tt class="py-line"> </tt>
<a name="CacheAbstract"></a><div id="CacheAbstract-def"><a name="L37"></a><tt class="py-lineno"> 37</tt> <a class="py-toggle" href="#" id="CacheAbstract-toggle" onclick="return toggle('CacheAbstract');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheAbstract-class.html">CacheAbstract</a><tt class="py-op">(</tt><tt class="py-base-class">object</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheAbstract-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CacheAbstract-expanded"><a name="L38"></a><tt class="py-lineno"> 38</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L39"></a><tt class="py-lineno"> 39</tt>  <tt class="py-line"><tt class="py-docstring">    Abstract class for cache implementations.</tt> </tt>
<a name="L40"></a><tt class="py-lineno"> 40</tt>  <tt class="py-line"><tt class="py-docstring">    Main function is now to provide referenced api documentation.</tt> </tt>
<a name="L41"></a><tt class="py-lineno"> 41</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L42"></a><tt class="py-lineno"> 42</tt>  <tt class="py-line"><tt class="py-docstring">    Use CacheInRam or CacheOnDisk instead which are derived from this class.</tt> </tt>
<a name="L43"></a><tt class="py-lineno"> 43</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L44"></a><tt class="py-lineno"> 44</tt>  <tt class="py-line"> </tt>
<a name="L45"></a><tt class="py-lineno"> 45</tt>  <tt class="py-line">    <tt id="link-2" class="py-name" targets="Variable web2py.gluon.cache.CacheAbstract.cache_stats_name=web2py.gluon.cache.CacheAbstract-class.html#cache_stats_name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-2', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt> <tt class="py-op">=</tt> <tt class="py-string">'web2py_cache_statistics'</tt> </tt>
<a name="L46"></a><tt class="py-lineno"> 46</tt>  <tt class="py-line"> </tt>
<a name="CacheAbstract.__init__"></a><div id="CacheAbstract.__init__-def"><a name="L47"></a><tt class="py-lineno"> 47</tt> <a class="py-toggle" href="#" id="CacheAbstract.__init__-toggle" onclick="return toggle('CacheAbstract.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheAbstract-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">request</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheAbstract.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="CacheAbstract.__init__-expanded"><a name="L48"></a><tt class="py-lineno"> 48</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L49"></a><tt class="py-lineno"> 49</tt>  <tt class="py-line"><tt class="py-docstring">        Paremeters</tt> </tt>
<a name="L50"></a><tt class="py-lineno"> 50</tt>  <tt class="py-line"><tt class="py-docstring">        ----------</tt> </tt>
<a name="L51"></a><tt class="py-lineno"> 51</tt>  <tt class="py-line"><tt class="py-docstring">        request:</tt> </tt>
<a name="L52"></a><tt class="py-lineno"> 52</tt>  <tt class="py-line"><tt class="py-docstring">            the global request object</tt> </tt>
<a name="L53"></a><tt class="py-lineno"> 53</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L54"></a><tt class="py-lineno"> 54</tt>  <tt class="py-line">        <tt class="py-keyword">raise</tt> <tt class="py-name">NotImplementedError</tt> </tt>
</div><a name="L55"></a><tt class="py-lineno"> 55</tt>  <tt class="py-line"> </tt>
<a name="CacheAbstract.__call__"></a><div id="CacheAbstract.__call__-def"><a name="L56"></a><tt class="py-lineno"> 56</tt> <a class="py-toggle" href="#" id="CacheAbstract.__call__-toggle" onclick="return toggle('CacheAbstract.__call__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheAbstract-class.html#__call__">__call__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">key</tt><tt class="py-op">,</tt> <tt class="py-param">f</tt><tt class="py-op">,</tt> </tt>
<a name="L57"></a><tt class="py-lineno"> 57</tt>  <tt class="py-line">                <tt class="py-param">time_expire</tt> <tt class="py-op">=</tt> <tt id="link-3" class="py-name"><a title="web2py.gluon.cache.DEFAULT_TIME_EXPIRE" class="py-name" href="#" onclick="return doclink('link-3', 'DEFAULT_TIME_EXPIRE', 'link-1');">DEFAULT_TIME_EXPIRE</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheAbstract.__call__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="CacheAbstract.__call__-expanded"><a name="L58"></a><tt class="py-lineno"> 58</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L59"></a><tt class="py-lineno"> 59</tt>  <tt class="py-line"><tt class="py-docstring">        Tries retrieve the value corresponding to `key` from the cache of the</tt> </tt>
<a name="L60"></a><tt class="py-lineno"> 60</tt>  <tt class="py-line"><tt class="py-docstring">        object exists and if it did not expire, else it called the function `f`</tt> </tt>
<a name="L61"></a><tt class="py-lineno"> 61</tt>  <tt class="py-line"><tt class="py-docstring">        and stores the output in the cache corresponding to `key`. In the case</tt> </tt>
<a name="L62"></a><tt class="py-lineno"> 62</tt>  <tt class="py-line"><tt class="py-docstring">        the output of the function is returned.</tt> </tt>
<a name="L63"></a><tt class="py-lineno"> 63</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L64"></a><tt class="py-lineno"> 64</tt>  <tt class="py-line"><tt class="py-docstring">        :param key: the key of the object to be store or retrieved</tt> </tt>
<a name="L65"></a><tt class="py-lineno"> 65</tt>  <tt class="py-line"><tt class="py-docstring">        :param f: the function, whose output is to be cached</tt> </tt>
<a name="L66"></a><tt class="py-lineno"> 66</tt>  <tt class="py-line"><tt class="py-docstring">        :param time_expire: expiration of the cache in microseconds</tt> </tt>
<a name="L67"></a><tt class="py-lineno"> 67</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L68"></a><tt class="py-lineno"> 68</tt>  <tt class="py-line"><tt class="py-docstring">        - `time_expire` is used to compare the current time with the time when</tt> </tt>
<a name="L69"></a><tt class="py-lineno"> 69</tt>  <tt class="py-line"><tt class="py-docstring">            the requested object was last saved in cache. It does not affect</tt> </tt>
<a name="L70"></a><tt class="py-lineno"> 70</tt>  <tt class="py-line"><tt class="py-docstring">            future requests.</tt> </tt>
<a name="L71"></a><tt class="py-lineno"> 71</tt>  <tt class="py-line"><tt class="py-docstring">        - Setting `time_expire` to 0 or negative value forces the cache to</tt> </tt>
<a name="L72"></a><tt class="py-lineno"> 72</tt>  <tt class="py-line"><tt class="py-docstring">            refresh.</tt> </tt>
<a name="L73"></a><tt class="py-lineno"> 73</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L74"></a><tt class="py-lineno"> 74</tt>  <tt class="py-line"><tt class="py-docstring">        If the function `f` is `None` the cache is cleared.</tt> </tt>
<a name="L75"></a><tt class="py-lineno"> 75</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L76"></a><tt class="py-lineno"> 76</tt>  <tt class="py-line">        <tt class="py-keyword">raise</tt> <tt class="py-name">NotImplementedError</tt> </tt>
</div><a name="L77"></a><tt class="py-lineno"> 77</tt>  <tt class="py-line"> </tt>
<a name="CacheAbstract.clear"></a><div id="CacheAbstract.clear-def"><a name="L78"></a><tt class="py-lineno"> 78</tt> <a class="py-toggle" href="#" id="CacheAbstract.clear-toggle" onclick="return toggle('CacheAbstract.clear');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheAbstract-class.html#clear">clear</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">regex</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheAbstract.clear-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="CacheAbstract.clear-expanded"><a name="L79"></a><tt class="py-lineno"> 79</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L80"></a><tt class="py-lineno"> 80</tt>  <tt class="py-line"><tt class="py-docstring">        Clears the cache of all keys that match the provided regular expression.</tt> </tt>
<a name="L81"></a><tt class="py-lineno"> 81</tt>  <tt class="py-line"><tt class="py-docstring">        If no regular expression is provided, it clears all entries in cache.</tt> </tt>
<a name="L82"></a><tt class="py-lineno"> 82</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L83"></a><tt class="py-lineno"> 83</tt>  <tt class="py-line"><tt class="py-docstring">        Parameters</tt> </tt>
<a name="L84"></a><tt class="py-lineno"> 84</tt>  <tt class="py-line"><tt class="py-docstring">        ----------</tt> </tt>
<a name="L85"></a><tt class="py-lineno"> 85</tt>  <tt class="py-line"><tt class="py-docstring">        regex:</tt> </tt>
<a name="L86"></a><tt class="py-lineno"> 86</tt>  <tt class="py-line"><tt class="py-docstring">            if provided, only keys matching the regex will be cleared.</tt> </tt>
<a name="L87"></a><tt class="py-lineno"> 87</tt>  <tt class="py-line"><tt class="py-docstring">            Otherwise all keys are cleared.</tt> </tt>
<a name="L88"></a><tt class="py-lineno"> 88</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L89"></a><tt class="py-lineno"> 89</tt>  <tt class="py-line"> </tt>
<a name="L90"></a><tt class="py-lineno"> 90</tt>  <tt class="py-line">        <tt class="py-keyword">raise</tt> <tt class="py-name">NotImplementedError</tt> </tt>
</div><a name="L91"></a><tt class="py-lineno"> 91</tt>  <tt class="py-line"> </tt>
<a name="CacheAbstract.increment"></a><div id="CacheAbstract.increment-def"><a name="L92"></a><tt class="py-lineno"> 92</tt> <a class="py-toggle" href="#" id="CacheAbstract.increment-toggle" onclick="return toggle('CacheAbstract.increment');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheAbstract-class.html#increment">increment</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">key</tt><tt class="py-op">,</tt> <tt class="py-param">value</tt><tt class="py-op">=</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheAbstract.increment-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="CacheAbstract.increment-expanded"><a name="L93"></a><tt class="py-lineno"> 93</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L94"></a><tt class="py-lineno"> 94</tt>  <tt class="py-line"><tt class="py-docstring">        Increments the cached value for the given key by the amount in value</tt> </tt>
<a name="L95"></a><tt class="py-lineno"> 95</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L96"></a><tt class="py-lineno"> 96</tt>  <tt class="py-line"><tt class="py-docstring">        Parameters</tt> </tt>
<a name="L97"></a><tt class="py-lineno"> 97</tt>  <tt class="py-line"><tt class="py-docstring">        ----------</tt> </tt>
<a name="L98"></a><tt class="py-lineno"> 98</tt>  <tt class="py-line"><tt class="py-docstring">        key:</tt> </tt>
<a name="L99"></a><tt class="py-lineno"> 99</tt>  <tt class="py-line"><tt class="py-docstring">            key for the cached object to be incremeneted</tt> </tt>
<a name="L100"></a><tt class="py-lineno">100</tt>  <tt class="py-line"><tt class="py-docstring">        value:</tt> </tt>
<a name="L101"></a><tt class="py-lineno">101</tt>  <tt class="py-line"><tt class="py-docstring">            amount of the increment (defaults to 1, can be negative)</tt> </tt>
<a name="L102"></a><tt class="py-lineno">102</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L103"></a><tt class="py-lineno">103</tt>  <tt class="py-line">        <tt class="py-keyword">raise</tt> <tt class="py-name">NotImplementedError</tt> </tt>
</div><a name="L104"></a><tt class="py-lineno">104</tt>  <tt class="py-line"> </tt>
<a name="CacheAbstract._clear"></a><div id="CacheAbstract._clear-def"><a name="L105"></a><tt class="py-lineno">105</tt> <a class="py-toggle" href="#" id="CacheAbstract._clear-toggle" onclick="return toggle('CacheAbstract._clear');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheAbstract-class.html#_clear">_clear</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">storage</tt><tt class="py-op">,</tt> <tt class="py-param">regex</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheAbstract._clear-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="CacheAbstract._clear-expanded"><a name="L106"></a><tt class="py-lineno">106</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L107"></a><tt class="py-lineno">107</tt>  <tt class="py-line"><tt class="py-docstring">        Ausxiliary function called by `clear` to search and clear cache entries</tt> </tt>
<a name="L108"></a><tt class="py-lineno">108</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L109"></a><tt class="py-lineno">109</tt>  <tt class="py-line">        <tt class="py-name">r</tt> <tt class="py-op">=</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">compile</tt><tt class="py-op">(</tt><tt id="link-4" class="py-name" targets="Variable web2py.gluon.validators.IS_EMAIL.regex=web2py.gluon.validators.IS_EMAIL-class.html#regex,Variable web2py.gluon.validators.IS_IPV4.regex=web2py.gluon.validators.IS_IPV4-class.html#regex"><a title="web2py.gluon.validators.IS_EMAIL.regex
web2py.gluon.validators.IS_IPV4.regex" class="py-name" href="#" onclick="return doclink('link-4', 'regex', 'link-4');">regex</a></tt><tt class="py-op">)</tt> </tt>
<a name="L110"></a><tt class="py-lineno">110</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">,</tt> <tt class="py-name">value</tt><tt class="py-op">)</tt> <tt class="py-keyword">in</tt> <tt id="link-5" class="py-name" targets="Module web2py.gluon.storage=web2py.gluon.storage-module.html"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-5', 'storage', 'link-5');">storage</a></tt><tt class="py-op">.</tt><tt class="py-name">items</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L111"></a><tt class="py-lineno">111</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">r</tt><tt class="py-op">.</tt><tt class="py-name">match</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L112"></a><tt class="py-lineno">112</tt>  <tt class="py-line">                <tt class="py-keyword">del</tt> <tt id="link-6" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-6', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> </tt>
</div></div><a name="L113"></a><tt class="py-lineno">113</tt>  <tt class="py-line"> </tt>
<a name="CacheInRam"></a><div id="CacheInRam-def"><a name="L114"></a><tt class="py-lineno">114</tt> <a class="py-toggle" href="#" id="CacheInRam-toggle" onclick="return toggle('CacheInRam');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheInRam-class.html">CacheInRam</a><tt class="py-op">(</tt><tt class="py-base-class">CacheAbstract</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheInRam-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CacheInRam-expanded"><a name="L115"></a><tt class="py-lineno">115</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L116"></a><tt class="py-lineno">116</tt>  <tt class="py-line"><tt class="py-docstring">    Ram based caching</tt> </tt>
<a name="L117"></a><tt class="py-lineno">117</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L118"></a><tt class="py-lineno">118</tt>  <tt class="py-line"><tt class="py-docstring">    This is implemented as global (per process, shared by all threads)</tt> </tt>
<a name="L119"></a><tt class="py-lineno">119</tt>  <tt class="py-line"><tt class="py-docstring">    dictionary.</tt> </tt>
<a name="L120"></a><tt class="py-lineno">120</tt>  <tt class="py-line"><tt class="py-docstring">    A mutex-lock mechanism avoid conflicts.</tt> </tt>
<a name="L121"></a><tt class="py-lineno">121</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L122"></a><tt class="py-lineno">122</tt>  <tt class="py-line"> </tt>
<a name="L123"></a><tt class="py-lineno">123</tt>  <tt class="py-line">    <tt id="link-7" class="py-name" targets="Variable web2py.gluon.cache.CacheInRam.locker=web2py.gluon.cache.CacheInRam-class.html#locker"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-7', 'locker', 'link-7');">locker</a></tt> <tt class="py-op">=</tt> <tt class="py-name">thread</tt><tt class="py-op">.</tt><tt class="py-name">allocate_lock</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L124"></a><tt class="py-lineno">124</tt>  <tt class="py-line">    <tt id="link-8" class="py-name" targets="Variable web2py.gluon.cache.CacheInRam.meta_storage=web2py.gluon.cache.CacheInRam-class.html#meta_storage"><a title="web2py.gluon.cache.CacheInRam.meta_storage" class="py-name" href="#" onclick="return doclink('link-8', 'meta_storage', 'link-8');">meta_storage</a></tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L125"></a><tt class="py-lineno">125</tt>  <tt class="py-line"> </tt>
<a name="CacheInRam.__init__"></a><div id="CacheInRam.__init__-def"><a name="L126"></a><tt class="py-lineno">126</tt> <a class="py-toggle" href="#" id="CacheInRam.__init__-toggle" onclick="return toggle('CacheInRam.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheInRam-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">request</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheInRam.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="CacheInRam.__init__-expanded"><a name="L127"></a><tt class="py-lineno">127</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-9" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-9', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt class="py-name">acquire</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L128"></a><tt class="py-lineno">128</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">request</tt> <tt class="py-op">=</tt> <tt class="py-name">request</tt> </tt>
<a name="L129"></a><tt class="py-lineno">129</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">request</tt><tt class="py-op">:</tt> </tt>
<a name="L130"></a><tt class="py-lineno">130</tt>  <tt class="py-line">            <tt class="py-name">app</tt> <tt class="py-op">=</tt> <tt class="py-name">request</tt><tt class="py-op">.</tt><tt class="py-name">application</tt> </tt>
<a name="L131"></a><tt class="py-lineno">131</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L132"></a><tt class="py-lineno">132</tt>  <tt class="py-line">            <tt class="py-name">app</tt> <tt class="py-op">=</tt> <tt class="py-string">''</tt> </tt>
<a name="L133"></a><tt class="py-lineno">133</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">app</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-10" class="py-name"><a title="web2py.gluon.cache.CacheInRam.meta_storage" class="py-name" href="#" onclick="return doclink('link-10', 'meta_storage', 'link-8');">meta_storage</a></tt><tt class="py-op">:</tt> </tt>
<a name="L134"></a><tt class="py-lineno">134</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-11" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-11', 'storage', 'link-5');">storage</a></tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-12" class="py-name"><a title="web2py.gluon.cache.CacheInRam.meta_storage" class="py-name" href="#" onclick="return doclink('link-12', 'meta_storage', 'link-8');">meta_storage</a></tt><tt class="py-op">[</tt><tt class="py-name">app</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt id="link-13" class="py-name" targets="Class web2py.gluon.cache.CacheAbstract=web2py.gluon.cache.CacheAbstract-class.html"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-13', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-14" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-14', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt><tt class="py-op">:</tt> <tt class="py-op">{</tt> </tt>
<a name="L135"></a><tt class="py-lineno">135</tt>  <tt class="py-line">                <tt class="py-string">'hit_total'</tt><tt class="py-op">:</tt> <tt class="py-number">0</tt><tt class="py-op">,</tt> </tt>
<a name="L136"></a><tt class="py-lineno">136</tt>  <tt class="py-line">                <tt class="py-string">'misses'</tt><tt class="py-op">:</tt> <tt class="py-number">0</tt><tt class="py-op">,</tt> </tt>
<a name="L137"></a><tt class="py-lineno">137</tt>  <tt class="py-line">            <tt class="py-op">}</tt><tt class="py-op">}</tt> </tt>
<a name="L138"></a><tt class="py-lineno">138</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L139"></a><tt class="py-lineno">139</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-15" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-15', 'storage', 'link-5');">storage</a></tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-16" class="py-name"><a title="web2py.gluon.cache.CacheInRam.meta_storage" class="py-name" href="#" onclick="return doclink('link-16', 'meta_storage', 'link-8');">meta_storage</a></tt><tt class="py-op">[</tt><tt class="py-name">app</tt><tt class="py-op">]</tt> </tt>
<a name="L140"></a><tt class="py-lineno">140</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-17" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-17', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt class="py-name">release</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
</div><a name="L141"></a><tt class="py-lineno">141</tt>  <tt class="py-line"> </tt>
<a name="CacheInRam.clear"></a><div id="CacheInRam.clear-def"><a name="L142"></a><tt class="py-lineno">142</tt> <a class="py-toggle" href="#" id="CacheInRam.clear-toggle" onclick="return toggle('CacheInRam.clear');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheInRam-class.html#clear">clear</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">regex</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheInRam.clear-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="CacheInRam.clear-expanded"><a name="L143"></a><tt class="py-lineno">143</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-18" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-18', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt class="py-name">acquire</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L144"></a><tt class="py-lineno">144</tt>  <tt class="py-line">        <tt id="link-19" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-19', 'storage', 'link-5');">storage</a></tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-20" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-20', 'storage', 'link-5');">storage</a></tt> </tt>
<a name="L145"></a><tt class="py-lineno">145</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-21" class="py-name"><a title="web2py.gluon.validators.IS_EMAIL.regex
web2py.gluon.validators.IS_IPV4.regex" class="py-name" href="#" onclick="return doclink('link-21', 'regex', 'link-4');">regex</a></tt> <tt class="py-op">==</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L146"></a><tt class="py-lineno">146</tt>  <tt class="py-line">            <tt id="link-22" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-22', 'storage', 'link-5');">storage</a></tt><tt class="py-op">.</tt><tt id="link-23" class="py-name" targets="Method web2py.gluon.cache.CacheAbstract.clear()=web2py.gluon.cache.CacheAbstract-class.html#clear,Method web2py.gluon.cache.CacheInRam.clear()=web2py.gluon.cache.CacheInRam-class.html#clear,Method web2py.gluon.cache.CacheOnDisk.clear()=web2py.gluon.cache.CacheOnDisk-class.html#clear"><a title="web2py.gluon.cache.CacheAbstract.clear
web2py.gluon.cache.CacheInRam.clear
web2py.gluon.cache.CacheOnDisk.clear" class="py-name" href="#" onclick="return doclink('link-23', 'clear', 'link-23');">clear</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L147"></a><tt class="py-lineno">147</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L148"></a><tt class="py-lineno">148</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-24" class="py-name" targets="Method web2py.gluon.cache.CacheAbstract._clear()=web2py.gluon.cache.CacheAbstract-class.html#_clear"><a title="web2py.gluon.cache.CacheAbstract._clear" class="py-name" href="#" onclick="return doclink('link-24', '_clear', 'link-24');">_clear</a></tt><tt class="py-op">(</tt><tt id="link-25" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-25', 'storage', 'link-5');">storage</a></tt><tt class="py-op">,</tt> <tt id="link-26" class="py-name"><a title="web2py.gluon.validators.IS_EMAIL.regex
web2py.gluon.validators.IS_IPV4.regex" class="py-name" href="#" onclick="return doclink('link-26', 'regex', 'link-4');">regex</a></tt><tt class="py-op">)</tt> </tt>
<a name="L149"></a><tt class="py-lineno">149</tt>  <tt class="py-line"> </tt>
<a name="L150"></a><tt class="py-lineno">150</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt id="link-27" class="py-name"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-27', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-28" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-28', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt> <tt class="py-keyword">in</tt> <tt id="link-29" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-29', 'storage', 'link-5');">storage</a></tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L151"></a><tt class="py-lineno">151</tt>  <tt class="py-line">            <tt id="link-30" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-30', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt id="link-31" class="py-name"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-31', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-32" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-32', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt> </tt>
<a name="L152"></a><tt class="py-lineno">152</tt>  <tt class="py-line">                <tt class="py-string">'hit_total'</tt><tt class="py-op">:</tt> <tt class="py-number">0</tt><tt class="py-op">,</tt> </tt>
<a name="L153"></a><tt class="py-lineno">153</tt>  <tt class="py-line">                <tt class="py-string">'misses'</tt><tt class="py-op">:</tt> <tt class="py-number">0</tt><tt class="py-op">,</tt> </tt>
<a name="L154"></a><tt class="py-lineno">154</tt>  <tt class="py-line">            <tt class="py-op">}</tt> </tt>
<a name="L155"></a><tt class="py-lineno">155</tt>  <tt class="py-line"> </tt>
<a name="L156"></a><tt class="py-lineno">156</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-33" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-33', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt class="py-name">release</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
</div><a name="L157"></a><tt class="py-lineno">157</tt>  <tt class="py-line"> </tt>
<a name="CacheInRam.__call__"></a><div id="CacheInRam.__call__-def"><a name="L158"></a><tt class="py-lineno">158</tt> <a class="py-toggle" href="#" id="CacheInRam.__call__-toggle" onclick="return toggle('CacheInRam.__call__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheInRam-class.html#__call__">__call__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">key</tt><tt class="py-op">,</tt> <tt class="py-param">f</tt><tt class="py-op">,</tt> </tt>
<a name="L159"></a><tt class="py-lineno">159</tt>  <tt class="py-line">                <tt class="py-param">time_expire</tt> <tt class="py-op">=</tt> <tt id="link-34" class="py-name"><a title="web2py.gluon.cache.DEFAULT_TIME_EXPIRE" class="py-name" href="#" onclick="return doclink('link-34', 'DEFAULT_TIME_EXPIRE', 'link-1');">DEFAULT_TIME_EXPIRE</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheInRam.__call__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="CacheInRam.__call__-expanded"><a name="L160"></a><tt class="py-lineno">160</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L161"></a><tt class="py-lineno">161</tt>  <tt class="py-line"><tt class="py-docstring">        Attention! cache.ram does not copy the cached object. It just stores a reference to it.</tt> </tt>
<a name="L162"></a><tt class="py-lineno">162</tt>  <tt class="py-line"><tt class="py-docstring">        Turns out the deepcopying the object has some problems:</tt> </tt>
<a name="L163"></a><tt class="py-lineno">163</tt>  <tt class="py-line"><tt class="py-docstring">        1) would break backward compatibility</tt> </tt>
<a name="L164"></a><tt class="py-lineno">164</tt>  <tt class="py-line"><tt class="py-docstring">        2) would be limiting because people may want to cache live objects</tt> </tt>
<a name="L165"></a><tt class="py-lineno">165</tt>  <tt class="py-line"><tt class="py-docstring">        3) would work unless we deepcopy no storage and retrival which would make things slow.</tt> </tt>
<a name="L166"></a><tt class="py-lineno">166</tt>  <tt class="py-line"><tt class="py-docstring">        Anyway. You can deepcopy explicitly in the function generating the value to be cached.</tt> </tt>
<a name="L167"></a><tt class="py-lineno">167</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L168"></a><tt class="py-lineno">168</tt>  <tt class="py-line"> </tt>
<a name="L169"></a><tt class="py-lineno">169</tt>  <tt class="py-line">        <tt class="py-name">dt</tt> <tt class="py-op">=</tt> <tt class="py-name">time_expire</tt> </tt>
<a name="L170"></a><tt class="py-lineno">170</tt>  <tt class="py-line"> </tt>
<a name="L171"></a><tt class="py-lineno">171</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-35" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-35', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt class="py-name">acquire</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L172"></a><tt class="py-lineno">172</tt>  <tt class="py-line">        <tt class="py-name">item</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-36" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-36', 'storage', 'link-5');">storage</a></tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">,</tt> <tt class="py-name">None</tt><tt class="py-op">)</tt> </tt>
<a name="L173"></a><tt class="py-lineno">173</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">item</tt> <tt class="py-keyword">and</tt> <tt id="link-37" class="py-name" targets="Variable web2py.gluon.wsgiserver.SSLConnection.f=web2py.gluon.wsgiserver.SSLConnection-class.html#f"><a title="web2py.gluon.wsgiserver.SSLConnection.f" class="py-name" href="#" onclick="return doclink('link-37', 'f', 'link-37');">f</a></tt> <tt class="py-op">==</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L174"></a><tt class="py-lineno">174</tt>  <tt class="py-line">            <tt class="py-keyword">del</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-38" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-38', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> </tt>
<a name="L175"></a><tt class="py-lineno">175</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-39" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-39', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt id="link-40" class="py-name"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-40', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-41" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-41', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'hit_total'</tt><tt class="py-op">]</tt> <tt class="py-op">+=</tt> <tt class="py-number">1</tt> </tt>
<a name="L176"></a><tt class="py-lineno">176</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-42" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-42', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt class="py-name">release</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L177"></a><tt class="py-lineno">177</tt>  <tt class="py-line"> </tt>
<a name="L178"></a><tt class="py-lineno">178</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-43" class="py-name"><a title="web2py.gluon.wsgiserver.SSLConnection.f" class="py-name" href="#" onclick="return doclink('link-43', 'f', 'link-37');">f</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L179"></a><tt class="py-lineno">179</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
<a name="L180"></a><tt class="py-lineno">180</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">item</tt> <tt class="py-keyword">and</tt> <tt class="py-op">(</tt><tt class="py-name">dt</tt> <tt class="py-op">==</tt> <tt class="py-name">None</tt> <tt class="py-keyword">or</tt> <tt class="py-name">item</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-op">&gt;</tt> <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> <tt class="py-op">-</tt> <tt class="py-name">dt</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L181"></a><tt class="py-lineno">181</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">item</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt> </tt>
<a name="L182"></a><tt class="py-lineno">182</tt>  <tt class="py-line">        <tt class="py-name">value</tt> <tt class="py-op">=</tt> <tt id="link-44" class="py-name"><a title="web2py.gluon.wsgiserver.SSLConnection.f" class="py-name" href="#" onclick="return doclink('link-44', 'f', 'link-37');">f</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L183"></a><tt class="py-lineno">183</tt>  <tt class="py-line"> </tt>
<a name="L184"></a><tt class="py-lineno">184</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-45" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-45', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt class="py-name">acquire</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L185"></a><tt class="py-lineno">185</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-46" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-46', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">value</tt><tt class="py-op">)</tt> </tt>
<a name="L186"></a><tt class="py-lineno">186</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-47" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-47', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt id="link-48" class="py-name"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-48', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-49" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-49', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'misses'</tt><tt class="py-op">]</tt> <tt class="py-op">+=</tt> <tt class="py-number">1</tt> </tt>
<a name="L187"></a><tt class="py-lineno">187</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-50" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-50', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt class="py-name">release</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L188"></a><tt class="py-lineno">188</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">value</tt> </tt>
</div><a name="L189"></a><tt class="py-lineno">189</tt>  <tt class="py-line"> </tt>
<a name="CacheInRam.increment"></a><div id="CacheInRam.increment-def"><a name="L190"></a><tt class="py-lineno">190</tt> <a class="py-toggle" href="#" id="CacheInRam.increment-toggle" onclick="return toggle('CacheInRam.increment');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheInRam-class.html#increment">increment</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">key</tt><tt class="py-op">,</tt> <tt class="py-param">value</tt><tt class="py-op">=</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheInRam.increment-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="CacheInRam.increment-expanded"><a name="L191"></a><tt class="py-lineno">191</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-51" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-51', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt class="py-name">acquire</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L192"></a><tt class="py-lineno">192</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L193"></a><tt class="py-lineno">193</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">key</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-52" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-52', 'storage', 'link-5');">storage</a></tt><tt class="py-op">:</tt> </tt>
<a name="L194"></a><tt class="py-lineno">194</tt>  <tt class="py-line">                <tt class="py-name">value</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-53" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-53', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt> <tt class="py-op">+</tt> <tt class="py-name">value</tt> </tt>
<a name="L195"></a><tt class="py-lineno">195</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-54" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-54', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">value</tt><tt class="py-op">)</tt> </tt>
<a name="L196"></a><tt class="py-lineno">196</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">BaseException</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L197"></a><tt class="py-lineno">197</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-55" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-55', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt class="py-name">release</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L198"></a><tt class="py-lineno">198</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">e</tt> </tt>
<a name="L199"></a><tt class="py-lineno">199</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-56" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-56', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt class="py-name">release</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L200"></a><tt class="py-lineno">200</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">value</tt> </tt>
</div></div><a name="L201"></a><tt class="py-lineno">201</tt>  <tt class="py-line"> </tt>
<a name="L202"></a><tt class="py-lineno">202</tt>  <tt class="py-line"> </tt>
<a name="CacheOnDisk"></a><div id="CacheOnDisk-def"><a name="L203"></a><tt class="py-lineno">203</tt> <a class="py-toggle" href="#" id="CacheOnDisk-toggle" onclick="return toggle('CacheOnDisk');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheOnDisk-class.html">CacheOnDisk</a><tt class="py-op">(</tt><tt class="py-base-class">CacheAbstract</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheOnDisk-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="CacheOnDisk-expanded"><a name="L204"></a><tt class="py-lineno">204</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L205"></a><tt class="py-lineno">205</tt>  <tt class="py-line"><tt class="py-docstring">    Disk based cache</tt> </tt>
<a name="L206"></a><tt class="py-lineno">206</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L207"></a><tt class="py-lineno">207</tt>  <tt class="py-line"><tt class="py-docstring">    This is implemented as a shelve object and it is shared by multiple web2py</tt> </tt>
<a name="L208"></a><tt class="py-lineno">208</tt>  <tt class="py-line"><tt class="py-docstring">    processes (and threads) as long as they share the same filesystem.</tt> </tt>
<a name="L209"></a><tt class="py-lineno">209</tt>  <tt class="py-line"><tt class="py-docstring">    The file is locked wen accessed.</tt> </tt>
<a name="L210"></a><tt class="py-lineno">210</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L211"></a><tt class="py-lineno">211</tt>  <tt class="py-line"><tt class="py-docstring">    Disk cache provides persistance when web2py is started/stopped but it slower</tt> </tt>
<a name="L212"></a><tt class="py-lineno">212</tt>  <tt class="py-line"><tt class="py-docstring">    than `CacheInRam`</tt> </tt>
<a name="L213"></a><tt class="py-lineno">213</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L214"></a><tt class="py-lineno">214</tt>  <tt class="py-line"><tt class="py-docstring">    Values stored in disk cache must be pickable.</tt> </tt>
<a name="L215"></a><tt class="py-lineno">215</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L216"></a><tt class="py-lineno">216</tt>  <tt class="py-line"> </tt>
<a name="CacheOnDisk.__init__"></a><div id="CacheOnDisk.__init__-def"><a name="L217"></a><tt class="py-lineno">217</tt> <a class="py-toggle" href="#" id="CacheOnDisk.__init__-toggle" onclick="return toggle('CacheOnDisk.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheOnDisk-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">request</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheOnDisk.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="CacheOnDisk.__init__-expanded"><a name="L218"></a><tt class="py-lineno">218</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">request</tt> <tt class="py-op">=</tt> <tt class="py-name">request</tt> </tt>
<a name="L219"></a><tt class="py-lineno">219</tt>  <tt class="py-line"> </tt>
<a name="L220"></a><tt class="py-lineno">220</tt>  <tt class="py-line">        <tt class="py-comment"># Lets test if the cache folder exists, if not</tt> </tt>
<a name="L221"></a><tt class="py-lineno">221</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># we are going to create it</tt> </tt>
<a name="L222"></a><tt class="py-lineno">222</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">folder</tt> <tt class="py-op">=</tt> <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">.</tt><tt class="py-name">folder</tt><tt class="py-op">,</tt> <tt class="py-string">'cache'</tt><tt class="py-op">)</tt> </tt>
<a name="L223"></a><tt class="py-lineno">223</tt>  <tt class="py-line"> </tt>
<a name="L224"></a><tt class="py-lineno">224</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">exists</tt><tt class="py-op">(</tt><tt class="py-name">folder</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L225"></a><tt class="py-lineno">225</tt>  <tt class="py-line">            <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">mkdir</tt><tt class="py-op">(</tt><tt class="py-name">folder</tt><tt class="py-op">)</tt> </tt>
<a name="L226"></a><tt class="py-lineno">226</tt>  <tt class="py-line"> </tt>
<a name="L227"></a><tt class="py-lineno">227</tt>  <tt class="py-line">        <tt class="py-comment">### we need this because of a possible bug in shelve that may</tt> </tt>
<a name="L228"></a><tt class="py-lineno">228</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment">### or may not lock</tt> </tt>
<a name="L229"></a><tt class="py-lineno">229</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">locker_name</tt> <tt class="py-op">=</tt> <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">.</tt><tt class="py-name">folder</tt><tt class="py-op">,</tt> </tt>
<a name="L230"></a><tt class="py-lineno">230</tt>  <tt class="py-line">                                        <tt class="py-string">'cache/cache.lock'</tt><tt class="py-op">)</tt> </tt>
<a name="L231"></a><tt class="py-lineno">231</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">shelve_name</tt> <tt class="py-op">=</tt> <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">.</tt><tt class="py-name">folder</tt><tt class="py-op">,</tt> </tt>
<a name="L232"></a><tt class="py-lineno">232</tt>  <tt class="py-line">                <tt class="py-string">'cache/cache.shelve'</tt><tt class="py-op">)</tt> </tt>
<a name="L233"></a><tt class="py-lineno">233</tt>  <tt class="py-line"> </tt>
<a name="L234"></a><tt class="py-lineno">234</tt>  <tt class="py-line">        <tt id="link-57" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-57', 'locker', 'link-7');">locker</a></tt><tt class="py-op">,</tt> <tt class="py-name">locker_locked</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt><tt class="py-op">,</tt> <tt class="py-name">False</tt> </tt>
<a name="L235"></a><tt class="py-lineno">235</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L236"></a><tt class="py-lineno">236</tt>  <tt class="py-line">            <tt id="link-58" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-58', 'locker', 'link-7');">locker</a></tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">locker_name</tt><tt class="py-op">,</tt> <tt class="py-string">'a'</tt><tt class="py-op">)</tt> </tt>
<a name="L237"></a><tt class="py-lineno">237</tt>  <tt class="py-line">            <tt id="link-59" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-59', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-60" class="py-name" targets="Function web2py.gluon.portalocker.lock()=web2py.gluon.portalocker-module.html#lock"><a title="web2py.gluon.portalocker.lock" class="py-name" href="#" onclick="return doclink('link-60', 'lock', 'link-60');">lock</a></tt><tt class="py-op">(</tt><tt id="link-61" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-61', 'locker', 'link-7');">locker</a></tt><tt class="py-op">,</tt> <tt id="link-62" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-62', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-63" class="py-name" targets="Variable web2py.gluon.portalocker.LOCK_EX=web2py.gluon.portalocker-module.html#LOCK_EX"><a title="web2py.gluon.portalocker.LOCK_EX" class="py-name" href="#" onclick="return doclink('link-63', 'LOCK_EX', 'link-63');">LOCK_EX</a></tt><tt class="py-op">)</tt> </tt>
<a name="L238"></a><tt class="py-lineno">238</tt>  <tt class="py-line">            <tt class="py-name">locker_locked</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L239"></a><tt class="py-lineno">239</tt>  <tt class="py-line">            <tt id="link-64" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-64', 'storage', 'link-5');">storage</a></tt> <tt class="py-op">=</tt> <tt class="py-name">shelve</tt><tt class="py-op">.</tt><tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">shelve_name</tt><tt class="py-op">)</tt> </tt>
<a name="L240"></a><tt class="py-lineno">240</tt>  <tt class="py-line"> </tt>
<a name="L241"></a><tt class="py-lineno">241</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt id="link-65" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-65', 'storage', 'link-5');">storage</a></tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt id="link-66" class="py-name"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-66', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-67" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-67', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L242"></a><tt class="py-lineno">242</tt>  <tt class="py-line">                <tt id="link-68" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-68', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt id="link-69" class="py-name"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-69', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-70" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-70', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt> </tt>
<a name="L243"></a><tt class="py-lineno">243</tt>  <tt class="py-line">                    <tt class="py-string">'hit_total'</tt><tt class="py-op">:</tt> <tt class="py-number">0</tt><tt class="py-op">,</tt> </tt>
<a name="L244"></a><tt class="py-lineno">244</tt>  <tt class="py-line">                    <tt class="py-string">'misses'</tt><tt class="py-op">:</tt> <tt class="py-number">0</tt><tt class="py-op">,</tt> </tt>
<a name="L245"></a><tt class="py-lineno">245</tt>  <tt class="py-line">                    <tt class="py-op">}</tt> </tt>
<a name="L246"></a><tt class="py-lineno">246</tt>  <tt class="py-line">                <tt id="link-71" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-71', 'storage', 'link-5');">storage</a></tt><tt class="py-op">.</tt><tt class="py-name">sync</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L247"></a><tt class="py-lineno">247</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">ImportError</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L248"></a><tt class="py-lineno">248</tt>  <tt class="py-line">            <tt class="py-keyword">pass</tt> <tt class="py-comment"># no module _bsddb, ignoring exception now so it makes a ticket only if used</tt> </tt>
<a name="L249"></a><tt class="py-lineno">249</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L250"></a><tt class="py-lineno">250</tt>  <tt class="py-line">            <tt class="py-name">logging</tt><tt class="py-op">.</tt><tt id="link-72" class="py-name" targets="Method web2py.gluon.tools.Service.error()=web2py.gluon.tools.Service-class.html#error,Method web2py.gluon.widget.web2pyDialog.error()=web2py.gluon.widget.web2pyDialog-class.html#error"><a title="web2py.gluon.tools.Service.error
web2py.gluon.widget.web2pyDialog.error" class="py-name" href="#" onclick="return doclink('link-72', 'error', 'link-72');">error</a></tt><tt class="py-op">(</tt><tt class="py-string">'corrupted file: %s'</tt> <tt class="py-op">%</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">shelve_name</tt><tt class="py-op">)</tt> </tt>
<a name="L251"></a><tt class="py-lineno">251</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">locker_locked</tt><tt class="py-op">:</tt> </tt>
<a name="L252"></a><tt class="py-lineno">252</tt>  <tt class="py-line">            <tt id="link-73" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-73', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-74" class="py-name" targets="Function web2py.gluon.portalocker.unlock()=web2py.gluon.portalocker-module.html#unlock"><a title="web2py.gluon.portalocker.unlock" class="py-name" href="#" onclick="return doclink('link-74', 'unlock', 'link-74');">unlock</a></tt><tt class="py-op">(</tt><tt id="link-75" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-75', 'locker', 'link-7');">locker</a></tt><tt class="py-op">)</tt> </tt>
<a name="L253"></a><tt class="py-lineno">253</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-76" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-76', 'locker', 'link-7');">locker</a></tt><tt class="py-op">:</tt> </tt>
<a name="L254"></a><tt class="py-lineno">254</tt>  <tt class="py-line">            <tt id="link-77" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-77', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt id="link-78" class="py-name" targets="Method web2py.gluon.wsgiserver.HTTPConnection.close()=web2py.gluon.wsgiserver.HTTPConnection-class.html#close,Method web2py.gluon.wsgiserver.KnownLengthRFile.close()=web2py.gluon.wsgiserver.KnownLengthRFile-class.html#close,Method web2py.gluon.wsgiserver.SSLConnection.close()=web2py.gluon.wsgiserver.SSLConnection-class.html#close,Method web2py.gluon.wsgiserver.SizeCheckWrapper.close()=web2py.gluon.wsgiserver.SizeCheckWrapper-class.html#close"><a title="web2py.gluon.wsgiserver.HTTPConnection.close
web2py.gluon.wsgiserver.KnownLengthRFile.close
web2py.gluon.wsgiserver.SSLConnection.close
web2py.gluon.wsgiserver.SizeCheckWrapper.close" class="py-name" href="#" onclick="return doclink('link-78', 'close', 'link-78');">close</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
</div><a name="L255"></a><tt class="py-lineno">255</tt>  <tt class="py-line"> </tt>
<a name="CacheOnDisk.clear"></a><div id="CacheOnDisk.clear-def"><a name="L256"></a><tt class="py-lineno">256</tt> <a class="py-toggle" href="#" id="CacheOnDisk.clear-toggle" onclick="return toggle('CacheOnDisk.clear');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheOnDisk-class.html#clear">clear</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">regex</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheOnDisk.clear-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="CacheOnDisk.clear-expanded"><a name="L257"></a><tt class="py-lineno">257</tt>  <tt class="py-line">        <tt id="link-79" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-79', 'locker', 'link-7');">locker</a></tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">locker_name</tt><tt class="py-op">,</tt><tt class="py-string">'a'</tt><tt class="py-op">)</tt> </tt>
<a name="L258"></a><tt class="py-lineno">258</tt>  <tt class="py-line">        <tt id="link-80" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-80', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-81" class="py-name"><a title="web2py.gluon.portalocker.lock" class="py-name" href="#" onclick="return doclink('link-81', 'lock', 'link-60');">lock</a></tt><tt class="py-op">(</tt><tt id="link-82" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-82', 'locker', 'link-7');">locker</a></tt><tt class="py-op">,</tt> <tt id="link-83" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-83', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-84" class="py-name"><a title="web2py.gluon.portalocker.LOCK_EX" class="py-name" href="#" onclick="return doclink('link-84', 'LOCK_EX', 'link-63');">LOCK_EX</a></tt><tt class="py-op">)</tt> </tt>
<a name="L259"></a><tt class="py-lineno">259</tt>  <tt class="py-line">        <tt id="link-85" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-85', 'storage', 'link-5');">storage</a></tt> <tt class="py-op">=</tt> <tt class="py-name">shelve</tt><tt class="py-op">.</tt><tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">shelve_name</tt><tt class="py-op">)</tt> </tt>
<a name="L260"></a><tt class="py-lineno">260</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-86" class="py-name"><a title="web2py.gluon.validators.IS_EMAIL.regex
web2py.gluon.validators.IS_IPV4.regex" class="py-name" href="#" onclick="return doclink('link-86', 'regex', 'link-4');">regex</a></tt> <tt class="py-op">==</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L261"></a><tt class="py-lineno">261</tt>  <tt class="py-line">            <tt id="link-87" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-87', 'storage', 'link-5');">storage</a></tt><tt class="py-op">.</tt><tt id="link-88" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.clear
web2py.gluon.cache.CacheInRam.clear
web2py.gluon.cache.CacheOnDisk.clear" class="py-name" href="#" onclick="return doclink('link-88', 'clear', 'link-23');">clear</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L262"></a><tt class="py-lineno">262</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L263"></a><tt class="py-lineno">263</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-89" class="py-name"><a title="web2py.gluon.cache.CacheAbstract._clear" class="py-name" href="#" onclick="return doclink('link-89', '_clear', 'link-24');">_clear</a></tt><tt class="py-op">(</tt><tt id="link-90" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-90', 'storage', 'link-5');">storage</a></tt><tt class="py-op">,</tt> <tt id="link-91" class="py-name"><a title="web2py.gluon.validators.IS_EMAIL.regex
web2py.gluon.validators.IS_IPV4.regex" class="py-name" href="#" onclick="return doclink('link-91', 'regex', 'link-4');">regex</a></tt><tt class="py-op">)</tt> </tt>
<a name="L264"></a><tt class="py-lineno">264</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt id="link-92" class="py-name"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-92', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-93" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-93', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt> <tt class="py-keyword">in</tt> <tt id="link-94" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-94', 'storage', 'link-5');">storage</a></tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L265"></a><tt class="py-lineno">265</tt>  <tt class="py-line">            <tt id="link-95" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-95', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt id="link-96" class="py-name"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-96', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-97" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-97', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt> </tt>
<a name="L266"></a><tt class="py-lineno">266</tt>  <tt class="py-line">                <tt class="py-string">'hit_total'</tt><tt class="py-op">:</tt> <tt class="py-number">0</tt><tt class="py-op">,</tt> </tt>
<a name="L267"></a><tt class="py-lineno">267</tt>  <tt class="py-line">                <tt class="py-string">'misses'</tt><tt class="py-op">:</tt> <tt class="py-number">0</tt><tt class="py-op">,</tt> </tt>
<a name="L268"></a><tt class="py-lineno">268</tt>  <tt class="py-line">            <tt class="py-op">}</tt> </tt>
<a name="L269"></a><tt class="py-lineno">269</tt>  <tt class="py-line">        <tt id="link-98" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-98', 'storage', 'link-5');">storage</a></tt><tt class="py-op">.</tt><tt class="py-name">sync</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L270"></a><tt class="py-lineno">270</tt>  <tt class="py-line">        <tt id="link-99" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-99', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-100" class="py-name"><a title="web2py.gluon.portalocker.unlock" class="py-name" href="#" onclick="return doclink('link-100', 'unlock', 'link-74');">unlock</a></tt><tt class="py-op">(</tt><tt id="link-101" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-101', 'locker', 'link-7');">locker</a></tt><tt class="py-op">)</tt> </tt>
<a name="L271"></a><tt class="py-lineno">271</tt>  <tt class="py-line">        <tt id="link-102" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-102', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt id="link-103" class="py-name"><a title="web2py.gluon.wsgiserver.HTTPConnection.close
web2py.gluon.wsgiserver.KnownLengthRFile.close
web2py.gluon.wsgiserver.SSLConnection.close
web2py.gluon.wsgiserver.SizeCheckWrapper.close" class="py-name" href="#" onclick="return doclink('link-103', 'close', 'link-78');">close</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
</div><a name="L272"></a><tt class="py-lineno">272</tt>  <tt class="py-line"> </tt>
<a name="CacheOnDisk.__call__"></a><div id="CacheOnDisk.__call__-def"><a name="L273"></a><tt class="py-lineno">273</tt> <a class="py-toggle" href="#" id="CacheOnDisk.__call__-toggle" onclick="return toggle('CacheOnDisk.__call__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheOnDisk-class.html#__call__">__call__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">key</tt><tt class="py-op">,</tt> <tt class="py-param">f</tt><tt class="py-op">,</tt> </tt>
<a name="L274"></a><tt class="py-lineno">274</tt>  <tt class="py-line">                <tt class="py-param">time_expire</tt> <tt class="py-op">=</tt> <tt id="link-104" class="py-name"><a title="web2py.gluon.cache.DEFAULT_TIME_EXPIRE" class="py-name" href="#" onclick="return doclink('link-104', 'DEFAULT_TIME_EXPIRE', 'link-1');">DEFAULT_TIME_EXPIRE</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheOnDisk.__call__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="CacheOnDisk.__call__-expanded"><a name="L275"></a><tt class="py-lineno">275</tt>  <tt class="py-line">        <tt class="py-name">dt</tt> <tt class="py-op">=</tt> <tt class="py-name">time_expire</tt> </tt>
<a name="L276"></a><tt class="py-lineno">276</tt>  <tt class="py-line"> </tt>
<a name="L277"></a><tt class="py-lineno">277</tt>  <tt class="py-line">        <tt id="link-105" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-105', 'locker', 'link-7');">locker</a></tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">locker_name</tt><tt class="py-op">,</tt><tt class="py-string">'a'</tt><tt class="py-op">)</tt> </tt>
<a name="L278"></a><tt class="py-lineno">278</tt>  <tt class="py-line">        <tt id="link-106" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-106', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-107" class="py-name"><a title="web2py.gluon.portalocker.lock" class="py-name" href="#" onclick="return doclink('link-107', 'lock', 'link-60');">lock</a></tt><tt class="py-op">(</tt><tt id="link-108" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-108', 'locker', 'link-7');">locker</a></tt><tt class="py-op">,</tt> <tt id="link-109" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-109', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-110" class="py-name"><a title="web2py.gluon.portalocker.LOCK_EX" class="py-name" href="#" onclick="return doclink('link-110', 'LOCK_EX', 'link-63');">LOCK_EX</a></tt><tt class="py-op">)</tt> </tt>
<a name="L279"></a><tt class="py-lineno">279</tt>  <tt class="py-line"> </tt>
<a name="L280"></a><tt class="py-lineno">280</tt>  <tt class="py-line">        <tt id="link-111" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-111', 'storage', 'link-5');">storage</a></tt> <tt class="py-op">=</tt> <tt class="py-name">shelve</tt><tt class="py-op">.</tt><tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">shelve_name</tt><tt class="py-op">)</tt> </tt>
<a name="L281"></a><tt class="py-lineno">281</tt>  <tt class="py-line"> </tt>
<a name="L282"></a><tt class="py-lineno">282</tt>  <tt class="py-line">        <tt class="py-name">item</tt> <tt class="py-op">=</tt> <tt id="link-112" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-112', 'storage', 'link-5');">storage</a></tt><tt class="py-op">.</tt><tt class="py-name">get</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">,</tt> <tt class="py-name">None</tt><tt class="py-op">)</tt> </tt>
<a name="L283"></a><tt class="py-lineno">283</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">item</tt> <tt class="py-keyword">and</tt> <tt id="link-113" class="py-name"><a title="web2py.gluon.wsgiserver.SSLConnection.f" class="py-name" href="#" onclick="return doclink('link-113', 'f', 'link-37');">f</a></tt> <tt class="py-op">==</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L284"></a><tt class="py-lineno">284</tt>  <tt class="py-line">            <tt class="py-keyword">del</tt> <tt id="link-114" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-114', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> </tt>
<a name="L285"></a><tt class="py-lineno">285</tt>  <tt class="py-line"> </tt>
<a name="L286"></a><tt class="py-lineno">286</tt>  <tt class="py-line">        <tt id="link-115" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-115', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt id="link-116" class="py-name"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-116', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-117" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-117', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt> </tt>
<a name="L287"></a><tt class="py-lineno">287</tt>  <tt class="py-line">            <tt class="py-string">'hit_total'</tt><tt class="py-op">:</tt> <tt id="link-118" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-118', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt id="link-119" class="py-name"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-119', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-120" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-120', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'hit_total'</tt><tt class="py-op">]</tt> <tt class="py-op">+</tt> <tt class="py-number">1</tt><tt class="py-op">,</tt> </tt>
<a name="L288"></a><tt class="py-lineno">288</tt>  <tt class="py-line">            <tt class="py-string">'misses'</tt><tt class="py-op">:</tt> <tt id="link-121" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-121', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt id="link-122" class="py-name"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-122', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-123" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-123', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'misses'</tt><tt class="py-op">]</tt> </tt>
<a name="L289"></a><tt class="py-lineno">289</tt>  <tt class="py-line">        <tt class="py-op">}</tt> </tt>
<a name="L290"></a><tt class="py-lineno">290</tt>  <tt class="py-line"> </tt>
<a name="L291"></a><tt class="py-lineno">291</tt>  <tt class="py-line">        <tt id="link-124" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-124', 'storage', 'link-5');">storage</a></tt><tt class="py-op">.</tt><tt class="py-name">sync</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L292"></a><tt class="py-lineno">292</tt>  <tt class="py-line"> </tt>
<a name="L293"></a><tt class="py-lineno">293</tt>  <tt class="py-line">        <tt id="link-125" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-125', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-126" class="py-name"><a title="web2py.gluon.portalocker.unlock" class="py-name" href="#" onclick="return doclink('link-126', 'unlock', 'link-74');">unlock</a></tt><tt class="py-op">(</tt><tt id="link-127" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-127', 'locker', 'link-7');">locker</a></tt><tt class="py-op">)</tt> </tt>
<a name="L294"></a><tt class="py-lineno">294</tt>  <tt class="py-line">        <tt id="link-128" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-128', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt id="link-129" class="py-name"><a title="web2py.gluon.wsgiserver.HTTPConnection.close
web2py.gluon.wsgiserver.KnownLengthRFile.close
web2py.gluon.wsgiserver.SSLConnection.close
web2py.gluon.wsgiserver.SizeCheckWrapper.close" class="py-name" href="#" onclick="return doclink('link-129', 'close', 'link-78');">close</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L295"></a><tt class="py-lineno">295</tt>  <tt class="py-line"> </tt>
<a name="L296"></a><tt class="py-lineno">296</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-130" class="py-name"><a title="web2py.gluon.wsgiserver.SSLConnection.f" class="py-name" href="#" onclick="return doclink('link-130', 'f', 'link-37');">f</a></tt> <tt class="py-keyword">is</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L297"></a><tt class="py-lineno">297</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">None</tt> </tt>
<a name="L298"></a><tt class="py-lineno">298</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">item</tt> <tt class="py-keyword">and</tt> <tt class="py-op">(</tt><tt class="py-name">dt</tt> <tt class="py-op">==</tt> <tt class="py-name">None</tt> <tt class="py-keyword">or</tt> <tt class="py-name">item</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-op">&gt;</tt> <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> <tt class="py-op">-</tt> <tt class="py-name">dt</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L299"></a><tt class="py-lineno">299</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">item</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt> </tt>
<a name="L300"></a><tt class="py-lineno">300</tt>  <tt class="py-line">        <tt class="py-name">value</tt> <tt class="py-op">=</tt> <tt id="link-131" class="py-name"><a title="web2py.gluon.wsgiserver.SSLConnection.f" class="py-name" href="#" onclick="return doclink('link-131', 'f', 'link-37');">f</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L301"></a><tt class="py-lineno">301</tt>  <tt class="py-line"> </tt>
<a name="L302"></a><tt class="py-lineno">302</tt>  <tt class="py-line">        <tt id="link-132" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-132', 'locker', 'link-7');">locker</a></tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">locker_name</tt><tt class="py-op">,</tt><tt class="py-string">'a'</tt><tt class="py-op">)</tt> </tt>
<a name="L303"></a><tt class="py-lineno">303</tt>  <tt class="py-line">        <tt id="link-133" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-133', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-134" class="py-name"><a title="web2py.gluon.portalocker.lock" class="py-name" href="#" onclick="return doclink('link-134', 'lock', 'link-60');">lock</a></tt><tt class="py-op">(</tt><tt id="link-135" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-135', 'locker', 'link-7');">locker</a></tt><tt class="py-op">,</tt> <tt id="link-136" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-136', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-137" class="py-name"><a title="web2py.gluon.portalocker.LOCK_EX" class="py-name" href="#" onclick="return doclink('link-137', 'LOCK_EX', 'link-63');">LOCK_EX</a></tt><tt class="py-op">)</tt> </tt>
<a name="L304"></a><tt class="py-lineno">304</tt>  <tt class="py-line"> </tt>
<a name="L305"></a><tt class="py-lineno">305</tt>  <tt class="py-line">        <tt id="link-138" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-138', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">value</tt><tt class="py-op">)</tt> </tt>
<a name="L306"></a><tt class="py-lineno">306</tt>  <tt class="py-line"> </tt>
<a name="L307"></a><tt class="py-lineno">307</tt>  <tt class="py-line">        <tt id="link-139" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-139', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt id="link-140" class="py-name"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-140', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-141" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-141', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt> </tt>
<a name="L308"></a><tt class="py-lineno">308</tt>  <tt class="py-line">            <tt class="py-string">'hit_total'</tt><tt class="py-op">:</tt> <tt id="link-142" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-142', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt id="link-143" class="py-name"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-143', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-144" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-144', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'hit_total'</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> </tt>
<a name="L309"></a><tt class="py-lineno">309</tt>  <tt class="py-line">            <tt class="py-string">'misses'</tt><tt class="py-op">:</tt> <tt id="link-145" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-145', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt id="link-146" class="py-name"><a title="web2py.gluon.cache.CacheAbstract" class="py-name" href="#" onclick="return doclink('link-146', 'CacheAbstract', 'link-13');">CacheAbstract</a></tt><tt class="py-op">.</tt><tt id="link-147" class="py-name"><a title="web2py.gluon.cache.CacheAbstract.cache_stats_name" class="py-name" href="#" onclick="return doclink('link-147', 'cache_stats_name', 'link-2');">cache_stats_name</a></tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-string">'misses'</tt><tt class="py-op">]</tt> <tt class="py-op">+</tt> <tt class="py-number">1</tt> </tt>
<a name="L310"></a><tt class="py-lineno">310</tt>  <tt class="py-line">        <tt class="py-op">}</tt> </tt>
<a name="L311"></a><tt class="py-lineno">311</tt>  <tt class="py-line"> </tt>
<a name="L312"></a><tt class="py-lineno">312</tt>  <tt class="py-line">        <tt id="link-148" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-148', 'storage', 'link-5');">storage</a></tt><tt class="py-op">.</tt><tt class="py-name">sync</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L313"></a><tt class="py-lineno">313</tt>  <tt class="py-line"> </tt>
<a name="L314"></a><tt class="py-lineno">314</tt>  <tt class="py-line">        <tt id="link-149" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-149', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-150" class="py-name"><a title="web2py.gluon.portalocker.unlock" class="py-name" href="#" onclick="return doclink('link-150', 'unlock', 'link-74');">unlock</a></tt><tt class="py-op">(</tt><tt id="link-151" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-151', 'locker', 'link-7');">locker</a></tt><tt class="py-op">)</tt> </tt>
<a name="L315"></a><tt class="py-lineno">315</tt>  <tt class="py-line">        <tt id="link-152" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-152', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt id="link-153" class="py-name"><a title="web2py.gluon.wsgiserver.HTTPConnection.close
web2py.gluon.wsgiserver.KnownLengthRFile.close
web2py.gluon.wsgiserver.SSLConnection.close
web2py.gluon.wsgiserver.SizeCheckWrapper.close" class="py-name" href="#" onclick="return doclink('link-153', 'close', 'link-78');">close</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L316"></a><tt class="py-lineno">316</tt>  <tt class="py-line"> </tt>
<a name="L317"></a><tt class="py-lineno">317</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">value</tt> </tt>
</div><a name="L318"></a><tt class="py-lineno">318</tt>  <tt class="py-line"> </tt>
<a name="CacheOnDisk.increment"></a><div id="CacheOnDisk.increment-def"><a name="L319"></a><tt class="py-lineno">319</tt> <a class="py-toggle" href="#" id="CacheOnDisk.increment-toggle" onclick="return toggle('CacheOnDisk.increment');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.CacheOnDisk-class.html#increment">increment</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">key</tt><tt class="py-op">,</tt> <tt class="py-param">value</tt><tt class="py-op">=</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="CacheOnDisk.increment-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="CacheOnDisk.increment-expanded"><a name="L320"></a><tt class="py-lineno">320</tt>  <tt class="py-line">        <tt id="link-154" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-154', 'locker', 'link-7');">locker</a></tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">locker_name</tt><tt class="py-op">,</tt><tt class="py-string">'a'</tt><tt class="py-op">)</tt> </tt>
<a name="L321"></a><tt class="py-lineno">321</tt>  <tt class="py-line">        <tt id="link-155" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-155', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-156" class="py-name"><a title="web2py.gluon.portalocker.lock" class="py-name" href="#" onclick="return doclink('link-156', 'lock', 'link-60');">lock</a></tt><tt class="py-op">(</tt><tt id="link-157" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-157', 'locker', 'link-7');">locker</a></tt><tt class="py-op">,</tt> <tt id="link-158" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-158', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-159" class="py-name"><a title="web2py.gluon.portalocker.LOCK_EX" class="py-name" href="#" onclick="return doclink('link-159', 'LOCK_EX', 'link-63');">LOCK_EX</a></tt><tt class="py-op">)</tt> </tt>
<a name="L322"></a><tt class="py-lineno">322</tt>  <tt class="py-line">        <tt id="link-160" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-160', 'storage', 'link-5');">storage</a></tt> <tt class="py-op">=</tt> <tt class="py-name">shelve</tt><tt class="py-op">.</tt><tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">shelve_name</tt><tt class="py-op">)</tt> </tt>
<a name="L323"></a><tt class="py-lineno">323</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L324"></a><tt class="py-lineno">324</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">key</tt> <tt class="py-keyword">in</tt> <tt id="link-161" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-161', 'storage', 'link-5');">storage</a></tt><tt class="py-op">:</tt> </tt>
<a name="L325"></a><tt class="py-lineno">325</tt>  <tt class="py-line">                <tt class="py-name">value</tt> <tt class="py-op">=</tt> <tt id="link-162" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-162', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt> <tt class="py-op">+</tt> <tt class="py-name">value</tt> </tt>
<a name="L326"></a><tt class="py-lineno">326</tt>  <tt class="py-line">            <tt id="link-163" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-163', 'storage', 'link-5');">storage</a></tt><tt class="py-op">[</tt><tt class="py-name">key</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">time</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">value</tt><tt class="py-op">)</tt> </tt>
<a name="L327"></a><tt class="py-lineno">327</tt>  <tt class="py-line">            <tt id="link-164" class="py-name"><a title="web2py.gluon.storage" class="py-name" href="#" onclick="return doclink('link-164', 'storage', 'link-5');">storage</a></tt><tt class="py-op">.</tt><tt class="py-name">sync</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L328"></a><tt class="py-lineno">328</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">BaseException</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L329"></a><tt class="py-lineno">329</tt>  <tt class="py-line">            <tt id="link-165" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-165', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-166" class="py-name"><a title="web2py.gluon.portalocker.unlock" class="py-name" href="#" onclick="return doclink('link-166', 'unlock', 'link-74');">unlock</a></tt><tt class="py-op">(</tt><tt id="link-167" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-167', 'locker', 'link-7');">locker</a></tt><tt class="py-op">)</tt> </tt>
<a name="L330"></a><tt class="py-lineno">330</tt>  <tt class="py-line">            <tt id="link-168" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-168', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt id="link-169" class="py-name"><a title="web2py.gluon.wsgiserver.HTTPConnection.close
web2py.gluon.wsgiserver.KnownLengthRFile.close
web2py.gluon.wsgiserver.SSLConnection.close
web2py.gluon.wsgiserver.SizeCheckWrapper.close" class="py-name" href="#" onclick="return doclink('link-169', 'close', 'link-78');">close</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L331"></a><tt class="py-lineno">331</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">e</tt> </tt>
<a name="L332"></a><tt class="py-lineno">332</tt>  <tt class="py-line">        <tt id="link-170" class="py-name"><a title="web2py.gluon.portalocker" class="py-name" href="#" onclick="return doclink('link-170', 'portalocker', 'link-0');">portalocker</a></tt><tt class="py-op">.</tt><tt id="link-171" class="py-name"><a title="web2py.gluon.portalocker.unlock" class="py-name" href="#" onclick="return doclink('link-171', 'unlock', 'link-74');">unlock</a></tt><tt class="py-op">(</tt><tt id="link-172" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-172', 'locker', 'link-7');">locker</a></tt><tt class="py-op">)</tt> </tt>
<a name="L333"></a><tt class="py-lineno">333</tt>  <tt class="py-line">        <tt id="link-173" class="py-name"><a title="web2py.gluon.cache.CacheInRam.locker" class="py-name" href="#" onclick="return doclink('link-173', 'locker', 'link-7');">locker</a></tt><tt class="py-op">.</tt><tt id="link-174" class="py-name"><a title="web2py.gluon.wsgiserver.HTTPConnection.close
web2py.gluon.wsgiserver.KnownLengthRFile.close
web2py.gluon.wsgiserver.SSLConnection.close
web2py.gluon.wsgiserver.SizeCheckWrapper.close" class="py-name" href="#" onclick="return doclink('link-174', 'close', 'link-78');">close</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L334"></a><tt class="py-lineno">334</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">value</tt> </tt>
</div></div><a name="L335"></a><tt class="py-lineno">335</tt>  <tt class="py-line"> </tt>
<a name="L336"></a><tt class="py-lineno">336</tt>  <tt class="py-line"> </tt>
<a name="Cache"></a><div id="Cache-def"><a name="L337"></a><tt class="py-lineno">337</tt> <a class="py-toggle" href="#" id="Cache-toggle" onclick="return toggle('Cache');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="web2py.gluon.cache.Cache-class.html">Cache</a><tt class="py-op">(</tt><tt class="py-base-class">object</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Cache-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="Cache-expanded"><a name="L338"></a><tt class="py-lineno">338</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L339"></a><tt class="py-lineno">339</tt>  <tt class="py-line"><tt class="py-docstring">    Sets up generic caching, creating an instance of both CacheInRam and</tt> </tt>
<a name="L340"></a><tt class="py-lineno">340</tt>  <tt class="py-line"><tt class="py-docstring">    CacheOnDisk.</tt> </tt>
<a name="L341"></a><tt class="py-lineno">341</tt>  <tt class="py-line"><tt class="py-docstring">    In case of GAE will make use of gluon.contrib.gae_memcache.</tt> </tt>
<a name="L342"></a><tt class="py-lineno">342</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L343"></a><tt class="py-lineno">343</tt>  <tt class="py-line"><tt class="py-docstring">    - self.ram is an instance of CacheInRam</tt> </tt>
<a name="L344"></a><tt class="py-lineno">344</tt>  <tt class="py-line"><tt class="py-docstring">    - self.disk is an instance of CacheOnDisk</tt> </tt>
<a name="L345"></a><tt class="py-lineno">345</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L346"></a><tt class="py-lineno">346</tt>  <tt class="py-line"> </tt>
<a name="Cache.__init__"></a><div id="Cache.__init__-def"><a name="L347"></a><tt class="py-lineno">347</tt> <a class="py-toggle" href="#" id="Cache.__init__-toggle" onclick="return toggle('Cache.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.Cache-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">request</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Cache.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Cache.__init__-expanded"><a name="L348"></a><tt class="py-lineno">348</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L349"></a><tt class="py-lineno">349</tt>  <tt class="py-line"><tt class="py-docstring">        Parameters</tt> </tt>
<a name="L350"></a><tt class="py-lineno">350</tt>  <tt class="py-line"><tt class="py-docstring">        ----------</tt> </tt>
<a name="L351"></a><tt class="py-lineno">351</tt>  <tt class="py-line"><tt class="py-docstring">        request:</tt> </tt>
<a name="L352"></a><tt class="py-lineno">352</tt>  <tt class="py-line"><tt class="py-docstring">            the global request object</tt> </tt>
<a name="L353"></a><tt class="py-lineno">353</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L354"></a><tt class="py-lineno">354</tt>  <tt class="py-line">        <tt class="py-comment"># GAE will have a special caching</tt> </tt>
<a name="L355"></a><tt class="py-lineno">355</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">from</tt> <tt id="link-175" class="py-name" targets="Module web2py.gluon.settings=web2py.gluon.settings-module.html,Variable web2py.gluon.settings.settings=web2py.gluon.settings-module.html#settings,Variable web2py.gluon.shell.settings=web2py.gluon.shell-module.html#settings"><a title="web2py.gluon.settings
web2py.gluon.settings.settings
web2py.gluon.shell.settings" class="py-name" href="#" onclick="return doclink('link-175', 'settings', 'link-175');">settings</a></tt> <tt class="py-keyword">import</tt> <tt id="link-176" class="py-name"><a title="web2py.gluon.settings
web2py.gluon.settings.settings
web2py.gluon.shell.settings" class="py-name" href="#" onclick="return doclink('link-176', 'settings', 'link-175');">settings</a></tt> </tt>
<a name="L356"></a><tt class="py-lineno">356</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt id="link-177" class="py-name"><a title="web2py.gluon.settings
web2py.gluon.settings.settings
web2py.gluon.shell.settings" class="py-name" href="#" onclick="return doclink('link-177', 'settings', 'link-175');">settings</a></tt><tt class="py-op">.</tt><tt class="py-name">web2py_runtime_gae</tt><tt class="py-op">:</tt> </tt>
<a name="L357"></a><tt class="py-lineno">357</tt>  <tt class="py-line">            <tt class="py-keyword">from</tt> <tt class="py-name">contrib</tt><tt class="py-op">.</tt><tt class="py-name">gae_memcache</tt> <tt class="py-keyword">import</tt> <tt class="py-name">MemcacheClient</tt> </tt>
<a name="L358"></a><tt class="py-lineno">358</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">ram</tt><tt class="py-op">=</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">disk</tt><tt class="py-op">=</tt><tt class="py-name">MemcacheClient</tt><tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">)</tt> </tt>
<a name="L359"></a><tt class="py-lineno">359</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L360"></a><tt class="py-lineno">360</tt>  <tt class="py-line">            <tt class="py-comment"># Otherwise use ram (and try also disk)</tt> </tt>
<a name="L361"></a><tt class="py-lineno">361</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">ram</tt> <tt class="py-op">=</tt> <tt id="link-178" class="py-name" targets="Class web2py.gluon.cache.CacheInRam=web2py.gluon.cache.CacheInRam-class.html"><a title="web2py.gluon.cache.CacheInRam" class="py-name" href="#" onclick="return doclink('link-178', 'CacheInRam', 'link-178');">CacheInRam</a></tt><tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">)</tt> </tt>
<a name="L362"></a><tt class="py-lineno">362</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L363"></a><tt class="py-lineno">363</tt>  <tt class="py-line">                <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">disk</tt> <tt class="py-op">=</tt> <tt id="link-179" class="py-name" targets="Class web2py.gluon.cache.CacheOnDisk=web2py.gluon.cache.CacheOnDisk-class.html"><a title="web2py.gluon.cache.CacheOnDisk" class="py-name" href="#" onclick="return doclink('link-179', 'CacheOnDisk', 'link-179');">CacheOnDisk</a></tt><tt class="py-op">(</tt><tt class="py-name">request</tt><tt class="py-op">)</tt> </tt>
<a name="L364"></a><tt class="py-lineno">364</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">IOError</tt><tt class="py-op">:</tt> </tt>
<a name="L365"></a><tt class="py-lineno">365</tt>  <tt class="py-line">                <tt class="py-name">logging</tt><tt class="py-op">.</tt><tt class="py-name">warning</tt><tt class="py-op">(</tt><tt class="py-string">'no cache.disk (IOError)'</tt><tt class="py-op">)</tt> </tt>
<a name="L366"></a><tt class="py-lineno">366</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">AttributeError</tt><tt class="py-op">:</tt> </tt>
<a name="L367"></a><tt class="py-lineno">367</tt>  <tt class="py-line">                <tt class="py-comment"># normally not expected anymore, as GAE has already</tt> </tt>
<a name="L368"></a><tt class="py-lineno">368</tt>  <tt class="py-line"><tt class="py-comment"></tt>                <tt class="py-comment"># been accounted for</tt> </tt>
<a name="L369"></a><tt class="py-lineno">369</tt>  <tt class="py-line"><tt class="py-comment"></tt>                <tt class="py-name">logging</tt><tt class="py-op">.</tt><tt class="py-name">warning</tt><tt class="py-op">(</tt><tt class="py-string">'no cache.disk (AttributeError)'</tt><tt class="py-op">)</tt> </tt>
</div><a name="L370"></a><tt class="py-lineno">370</tt>  <tt class="py-line"> </tt>
<a name="Cache.__call__"></a><div id="Cache.__call__-def"><a name="L371"></a><tt class="py-lineno">371</tt> <a class="py-toggle" href="#" id="Cache.__call__-toggle" onclick="return toggle('Cache.__call__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="web2py.gluon.cache.Cache-class.html#__call__">__call__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> </tt>
<a name="L372"></a><tt class="py-lineno">372</tt>  <tt class="py-line">                <tt class="py-param">key</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt><tt class="py-op">,</tt> </tt>
<a name="L373"></a><tt class="py-lineno">373</tt>  <tt class="py-line">                <tt class="py-param">time_expire</tt> <tt class="py-op">=</tt> <tt id="link-180" class="py-name"><a title="web2py.gluon.cache.DEFAULT_TIME_EXPIRE" class="py-name" href="#" onclick="return doclink('link-180', 'DEFAULT_TIME_EXPIRE', 'link-1');">DEFAULT_TIME_EXPIRE</a></tt><tt class="py-op">,</tt> </tt>
<a name="L374"></a><tt class="py-lineno">374</tt>  <tt class="py-line">                <tt class="py-param">cache_model</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Cache.__call__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Cache.__call__-expanded"><a name="L375"></a><tt class="py-lineno">375</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L376"></a><tt class="py-lineno">376</tt>  <tt class="py-line"><tt class="py-docstring">        Decorator function that can be used to cache any function/method.</tt> </tt>
<a name="L377"></a><tt class="py-lineno">377</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L378"></a><tt class="py-lineno">378</tt>  <tt class="py-line"><tt class="py-docstring">        Example::</tt> </tt>
<a name="L379"></a><tt class="py-lineno">379</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L380"></a><tt class="py-lineno">380</tt>  <tt class="py-line"><tt class="py-docstring">            @cache('key', 5000, cache.ram)</tt> </tt>
<a name="L381"></a><tt class="py-lineno">381</tt>  <tt class="py-line"><tt class="py-docstring">            def f():</tt> </tt>
<a name="L382"></a><tt class="py-lineno">382</tt>  <tt class="py-line"><tt class="py-docstring">                return time.ctime()</tt> </tt>
<a name="L383"></a><tt class="py-lineno">383</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L384"></a><tt class="py-lineno">384</tt>  <tt class="py-line"><tt class="py-docstring">        When the function f is called, web2py tries to retrieve</tt> </tt>
<a name="L385"></a><tt class="py-lineno">385</tt>  <tt class="py-line"><tt class="py-docstring">        the value corresponding to `key` from the cache of the</tt> </tt>
<a name="L386"></a><tt class="py-lineno">386</tt>  <tt class="py-line"><tt class="py-docstring">        object exists and if it did not expire, else it calles the function `f`</tt> </tt>
<a name="L387"></a><tt class="py-lineno">387</tt>  <tt class="py-line"><tt class="py-docstring">        and stores the output in the cache corresponding to `key`. In the case</tt> </tt>
<a name="L388"></a><tt class="py-lineno">388</tt>  <tt class="py-line"><tt class="py-docstring">        the output of the function is returned.</tt> </tt>
<a name="L389"></a><tt class="py-lineno">389</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L390"></a><tt class="py-lineno">390</tt>  <tt class="py-line"><tt class="py-docstring">        :param key: the key of the object to be store or retrieved</tt> </tt>
<a name="L391"></a><tt class="py-lineno">391</tt>  <tt class="py-line"><tt class="py-docstring">        :param time_expire: expiration of the cache in microseconds</tt> </tt>
<a name="L392"></a><tt class="py-lineno">392</tt>  <tt class="py-line"><tt class="py-docstring">        :param cache_model: `cache.ram`, `cache.disk`, or other</tt> </tt>
<a name="L393"></a><tt class="py-lineno">393</tt>  <tt class="py-line"><tt class="py-docstring">            (like `cache.memcache` if defined). It defaults to `cache.ram`.</tt> </tt>
<a name="L394"></a><tt class="py-lineno">394</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L395"></a><tt class="py-lineno">395</tt>  <tt class="py-line"><tt class="py-docstring">        Notes</tt> </tt>
<a name="L396"></a><tt class="py-lineno">396</tt>  <tt class="py-line"><tt class="py-docstring">        -----</tt> </tt>
<a name="L397"></a><tt class="py-lineno">397</tt>  <tt class="py-line"><tt class="py-docstring">        `time_expire` is used to compare the curret time with the time when the</tt> </tt>
<a name="L398"></a><tt class="py-lineno">398</tt>  <tt class="py-line"><tt class="py-docstring">        requested object was last saved in cache. It does not affect future</tt> </tt>
<a name="L399"></a><tt class="py-lineno">399</tt>  <tt class="py-line"><tt class="py-docstring">        requests.</tt> </tt>
<a name="L400"></a><tt class="py-lineno">400</tt>  <tt class="py-line"><tt class="py-docstring">        Setting `time_expire` to 0 or negative value forces the cache to</tt> </tt>
<a name="L401"></a><tt class="py-lineno">401</tt>  <tt class="py-line"><tt class="py-docstring">        refresh.</tt> </tt>
<a name="L402"></a><tt class="py-lineno">402</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L403"></a><tt class="py-lineno">403</tt>  <tt class="py-line"><tt class="py-docstring">        If the function `f` is an action, we suggest using</tt> </tt>
<a name="L404"></a><tt class="py-lineno">404</tt>  <tt class="py-line"><tt class="py-docstring">        `request.env.path_info` as key.</tt> </tt>
<a name="L405"></a><tt class="py-lineno">405</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L406"></a><tt class="py-lineno">406</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">cache_model</tt><tt class="py-op">:</tt> </tt>
<a name="L407"></a><tt class="py-lineno">407</tt>  <tt class="py-line">            <tt class="py-name">cache_model</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">ram</tt> </tt>
<a name="L408"></a><tt class="py-lineno">408</tt>  <tt class="py-line"> </tt>
<a name="L409"></a><tt class="py-lineno">409</tt>  <tt class="py-line">        <tt class="py-keyword">def</tt> <tt class="py-def-name">tmp</tt><tt class="py-op">(</tt><tt class="py-param">func</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L410"></a><tt class="py-lineno">410</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-keyword">lambda</tt><tt class="py-op">:</tt> <tt class="py-name">cache_model</tt><tt class="py-op">(</tt><tt class="py-name">key</tt><tt class="py-op">,</tt> <tt class="py-name">func</tt><tt class="py-op">,</tt> <tt class="py-name">time_expire</tt><tt class="py-op">)</tt> </tt>
</div><a name="L411"></a><tt class="py-lineno">411</tt>  <tt class="py-line"> </tt>
<a name="L412"></a><tt class="py-lineno">412</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">tmp</tt> </tt>
</div></div><a name="L413"></a><tt class="py-lineno">413</tt>  <tt class="py-line"> </tt><script type="text/javascript">
<!--
expandto(location.href);
// -->
</script>
</pre>
<br />
<!-- ==================== NAVIGATION BAR ==================== -->
<table class="navbar" border="0" width="100%" cellpadding="0"
       bgcolor="#a0c0ff" cellspacing="0">
  <tr valign="middle">
  <!-- Home link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="web2py.gluon-module.html">Home</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Tree link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="module-tree.html">Trees</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Index link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="identifier-index.html">Indices</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Help link -->
      <th>&nbsp;&nbsp;&nbsp;<a
        href="help.html">Help</a>&nbsp;&nbsp;&nbsp;</th>

  <!-- Project homepage -->
      <th class="navbar" align="right" width="100%">
        <table border="0" cellpadding="0" cellspacing="0">
          <tr><th class="navbar" align="center"
            ><a class="navbar" target="_top" href="http://www.web2py.com">web2py Web Framework</a></th>
          </tr></table></th>
  </tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" width="100%%">
  <tr>
    <td align="left" class="footer">
    Generated by Epydoc 3.0beta1 on Fri Feb 26 06:00:59 2010
    </td>
    <td align="right" class="footer">
      <a href="http://epydoc.sourceforge.net">http://epydoc.sourceforge.net</a>
    </td>
  </tr>
</table>

<script type="text/javascript">
  <!--
  // Private objects are initially displayed (because if
  // javascript is turned off then we want them to be
  // visible); but by default, we want to hide them.  So hide
  // them unless we have a cookie that says to show them.
  checkCookie()
  // -->
</script>
  
</body>
</html>
